Home / 90,901.16-136,361.04-34,788.45

Finding the Fourth Proportional to 90,901.16, 136,361.04 and 34,788.45

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Solution

The fourth proportional to 90,901.16, 136,361.04 and 34,788.45 is: 52,186.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,901.16 : 136,361.04 = 34,788.45 : x
  2. Step 2: Convert to fraction form
    90,901.16/136,361.04 = 34,788.45/x
  3. Step 3: Cross multiply
    90,901.16x = 136,361.04 × 34,788.45
  4. Step 4: Simplify right side
    90,901.16x = 4,743,789,221.99
  5. Step 5: Solve for x
    x = 4,743,789,221.99/90,901.16
  6. Step 6: Final answer
    x = 52,186.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.